WO2020141180A1 - Formulation de nicotine liquide - Google Patents

Formulation de nicotine liquide Download PDF

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Publication number
WO2020141180A1
WO2020141180A1 PCT/EP2019/087198 EP2019087198W WO2020141180A1 WO 2020141180 A1 WO2020141180 A1 WO 2020141180A1 EP 2019087198 W EP2019087198 W EP 2019087198W WO 2020141180 A1 WO2020141180 A1 WO 2020141180A1
Authority
WO
WIPO (PCT)
Prior art keywords
percent
weight
water
liquid nicotine
nicotine formulation
Prior art date
Application number
PCT/EP2019/087198
Other languages
English (en)
Inventor
Jean-Pierre Schaller
Aline VUARNOZ-BIZE
Original Assignee
Philip Morris Products S.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Priority to BR112021010284-1A priority Critical patent/BR112021010284A2/pt
Priority to KR1020217021107A priority patent/KR20210110314A/ko
Priority to EP19831772.9A priority patent/EP3905900A1/fr
Priority to US17/419,528 priority patent/US20220079211A1/en
Priority to MX2021007627A priority patent/MX2021007627A/es
Priority to JP2021538443A priority patent/JP2022516149A/ja
Priority to CN201980079924.6A priority patent/CN113163846B/zh
Publication of WO2020141180A1 publication Critical patent/WO2020141180A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/241—Extraction of specific substances
    • A24B15/243—Nicotine
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • A24B15/32—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances by acyclic compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/05—Devices without heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/465—Nicotine; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/0078—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a nebulizer such as a jet nebulizer, ultrasonic nebulizer, e.g. in the form of aqueous drug solutions or dispersions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/10—Dispersions; Emulsions
    • A61K9/12—Aerosols; Foams

Definitions

  • the invention relates to a liquid nicotine formulation for use in an aerosol-generating system.
  • the invention also relates to a cartridge for an aerosol-generating system comprising the liquid nicotine formulation and an aerosol-generating system comprising the liquid nicotine formulation and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • Aerosol-generating systems for delivering nicotine to a user that comprise an atomiser configured to generate an inhalable aerosol from a liquid nicotine formulation are known.
  • Some known aerosol-generating systems comprise a thermal atomiser such as an electric heater that is configured to heat and vaporise the liquid nicotine formulation to generate an aerosol.
  • Other known aerosol-generating systems comprise a non-thermal atomiser that is configured to generate an aerosol from the liquid nicotine formulation using, for example, impinging jet, ultrasonic or vibrating mesh technologies.
  • Typical liquid nicotine formulations for use in aerosol-generating systems comprise glycerine, propylene glycol and water as solvents.
  • liquid nicotine formulation for use in an aerosol generating system that that enables generation of an aerosol providing improved nicotine satisfaction to a user compared to such typical liquid nicotine formulations.
  • liquid nicotine formulation for use in an aerosol-generating system that enables generation of an aerosol providing similar nicotine satisfaction to a user as tobacco smoke generated from combusting a conventional cigarette.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible solvents; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible solvents; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol generating system comprising: a liquid nicotine formulation comprising: one or more water- miscible solvents; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible solvents; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible solvents; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol generating system comprising: a liquid nicotine formulation comprising: one or more water- miscible solvents; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • liquid nicotine formulation describes a liquid formulation comprising nicotine.
  • the term“nicotine” describes nicotine, nicotine base or a nicotine salt.
  • the amounts of nicotine recited herein are the amount of free base nicotine or amount of protonated nicotine, respectively.
  • water-miscible solvent describes a compound other than water or an organic acid that is liquid at 20°C and mixes with water in all proportions to form a homogenous solution.
  • water-soluble organic acid describes an organic acid having a water solubility at 20°C of greater than or equal to about 500 mg/ml.
  • water solubility values recited herein are the water solubility measured based on the preliminary test of OECD (1995), Test No. 105: Water Solubility, OECD Guidelines for the Testing of Chemicals, Section 1 , OECD Publishing, Paris, https://doi.org/10.1787/9789264069589-en.
  • OECD Water Solubility
  • OECD Guidelines for the Testing of Chemicals Section 1 , OECD Publishing, Paris, https://doi.org/10.1787/9789264069589-en.
  • increasing volumes of distilled water are added at 20°C to 0.1 g of the sample (solid substances must be pulverized) in a 10 ml glass-stoppered measuring cylinder.
  • the substance is an acid
  • the sample is added to the distilled water in the first step.
  • the solubility When the solubility is low, a long time may be required to dissolve a substance and at least 24 hours should be allowed. If, after 24 hours, the substance is still not dissolved, the measuring cylinder is placed for at 40°C in an ultrasound bath for 15 minutes and another 24 hours allowed (up to a maximum of 96 hours). If the substance is still not dissolved, the solubility is considered to be below the limit value or not soluble.
  • water- immiscible solvent describes a compound that is liquid at 20°C and has a water solubility at 20°C of less than or equal to about 100 mg/ml.
  • water- immiscible solvent describes a compound that is liquid at 20°C and has a partition coefficient (log P) at 20°C of greater than or equal to about 0.05.
  • partition coefficient (log P) values recited herein are the octanol/water partition coefficient (log Pow) measured in accordance with: OECD (1995), Test No. 107: Partition Coefficient (n-octanol/water): Shake Flask Method, OECD Guidelines for the Testing of Chemicals, Section 1 , OECD Publishing, Paris, https://doi.org/10.1787/9789264069626-en (for values in the range log Pow between -2 and 4); OECD (2004), Test No.
  • inclusion of a combination of one or more water-miscible solvents, one or more water- immiscible solvents and one or more water-soluble organic acids in the liquid nicotine formulation according to the invention advantageously enables generation of an inhalable aerosol providing improved nicotine satisfaction to a user compared to typical liquid nicotine formulations.
  • inclusion of a combination of one or more water-miscible solvents, one or more water-immiscible solvents and one or more water-soluble organic acids in the liquid nicotine formulation according to the invention advantageously enables generation of an inhalable aerosol having improved nicotine retention properties compared to typical liquid nicotine formulations.
  • Tobacco smoke generated by combustion of conventional cigarettes comprises thousands of different smoke components. It has surprisingly been found that inclusion of a combination of one or more water-miscible solvents, one or more water-immiscible solvents and one or more water-soluble organic acids in the liquid nicotine formulation according to the invention advantageously enables generation of an inhalable aerosol having nicotine retention properties similar to those of tobacco smoke generated from combustion of a conventional cigarette.
  • the liquid nicotine formulation may comprise natural nicotine or synthetic nicotine.
  • the liquid nicotine formulation may have a nicotine content of greater than or equal to about 0.5 percent by weight.
  • the liquid nicotine formulation has a nicotine content of greater than or equal to about 1 percent by weight. More preferably, the liquid nicotine formulation has a nicotine content of greater than or equal to about 1.5 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of less than or equal to about 10 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of less than or equal to about 8 percent by weight.
  • the liquid nicotine formulation has a nicotine content of less than or equal to about 5 percent by weight. More preferably, the liquid nicotine formulation has a nicotine content of less than or equal to about 3 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of between about 0.5 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of between about 0.5 percent by weight and about 8 percent by weight, between about 0.5 percent by weight and about 5 percent by weight or between about 0.5 percent by weight and about 3 percent by weight.
  • the liquid nicotine formulation has a nicotine content of between about 1 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of between about 1 percent by weight and about 8 percent by weight, between about 1 percent by weight and about 5 percent by weight or between about 1 percent by weight and about 3 percent by weight.
  • the liquid nicotine formulation has a nicotine content of between about 1.5 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a nicotine content of between about 1.5 percent by weight and about 8 percent by weight, between about 1.5 percent by weight and about 5 percent by weight or between about 1.5 percent by weight and about 3 percent by weight.
  • the liquid nicotine formulation comprises one or more water-miscible solvents.
  • the one or more water-miscible solvents may advantageously help to dissolve and stabilise polar components and ionic components of the liquid nicotine formulation.
  • the liquid nicotine formulation has a water-miscible solvent content of greater than or equal to about 5 percent by weight. More preferably, the liquid nicotine formulation has a water-miscible solvent content of greater than or equal to about 10 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of greater than or equal to about 15 percent by weight, greater than or equal to about 20 percent by weight or greater than or equal to about 25 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of less than or equal to about 80 percent by weight or less than or equal to about 75 percent by weight.
  • the liquid nicotine formulation has a water-miscible solvent content of less than or equal to about 70 percent by weight. More preferably, the liquid nicotine formulation has a water-miscible solvent content of less than or equal to about 60 percent by weight. For example, the liquid nicotine formulation may have a water-miscible solvent content of less than or equal to about 50 percent by weight or less than or equal to about 40 percent by weight.
  • the liquid nicotine formulation has a water-miscible solvent content of between about 5 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of between about 5 percent by weight and about 60 percent by weight, between about 5 percent by weight and about 50 percent by weight or between about 5 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation has a water-miscible solvent content of between about 10 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of between about 10 percent by weight and about 60 percent by weight, between about 10 percent by weight and about 50 percent by weight or between about 10 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of between about 15 percent by weight and about 70 percent by weight, between about 15 percent by weight and about 60 percent by weight, between about 15 percent by weight and about 50 percent by weight or between about 15 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of between about 20 percent by weight and about 70 percent by weight, between about 20 percent by weight and about 60 percent by weight, between about 20 percent by weight and about 50 percent by weight or between about 20 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible solvent content of between about 25 percent by weight and about 70 percent by weight, between about 25 percent by weight and about 60 percent by weight, between about 25 percent by weight and about 50 percent by weight or between about 25 percent by weight and about 40 percent by weight.
  • the one or more water-miscible solvents are one or more water-miscible polyhydric alcohols.
  • water-miscible polyhydric alcohol describes a polyhydric alcohol that is liquid at 20°C and mixes with water in all proportions to form a homogenous solution.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols; one or more water- immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols; one or more water- immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water- soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • the liquid nicotine formulation has a water-miscible polyhydric alcohol content of greater than or equal to about 5 percent by weight. More preferably, the liquid nicotine formulation has a water-miscible polyhydric alcohol content of greater than or equal to about 10 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of greater than or equal to about 15 percent by weight, greater than or equal to about 20 percent by weight or greater than or equal to about 25 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of less than or equal to about 80 percent by weight or less than or equal to about 75 percent by weight.
  • the liquid nicotine formulation has a water-miscible polyhydric alcohol content of less than or equal to about 70 percent by weight. More preferably, the liquid nicotine formulation has a water-miscible polyhydric alcohol content of less than or equal to about 60 percent by weight. For example, the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of less than or equal to about 50 percent by weight or less than or equal to about 40 percent by weight.
  • the liquid nicotine formulation has a water-miscible polyhydric alcohol content of between about 5 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of between about 5 percent by weight and about 60 percent by weight, between about 5 percent by weight and about 50 percent by weight or between about 5 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation has a water-miscible polyhydric alcohol content of between about 10 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of between about 10 percent by weight and about 60 percent by weight, between about 10 percent by weight and about 50 percent by weight or between about 10 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of between about 15 percent by weight and about 70 percent by weight, between about 15 percent by weight and about 60 percent by weight, between about 15 percent by weight and about 50 percent by weight or between about 15 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of between about 20 percent by weight and about 70 percent by weight, between about 20 percent by weight and about 60 percent by weight, between about 20 percent by weight and about 50 percent by weight or between about 20 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a water-miscible polyhydric alcohol content of between about 25 percent by weight and about 70 percent by weight, between about 25 percent by weight and about 60 percent by weight, between about 25 percent by weight and about 50 percent by weight or between about 25 percent by weight and about 40 percent by weight.
  • the one or more water-miscible polyhydric alcohols are selected from the group consisting of 1 ,3-butanediol, glycerine, propylene glycol, and triethylene glycol.
  • the one or more water-miscible polyhydric alcohols are selected from the group consisting of glycerine and propylene glycol.
  • the one or more water-miscible polyhydric alcohols are selected from the group consisting of vegetable glycerine and propylene glycol.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water- soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation comprising: one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • the liquid nicotine formulation has a combined glycerine and propylene glycol content of greater than or equal to about 5 percent by weight. More preferably, the liquid nicotine formulation has a combined glycerine and propylene glycol content of greater than or equal to about 10 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of greater than or equal to about 15 percent by weight, greater than or equal to about 20 percent by weight or greater than or equal to about 25 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of less than or equal to about 80 percent by weight or less than or equal to about 75 percent by weight.
  • the liquid nicotine formulation has a combined glycerine and propylene glycol content of less than or equal to about 70 percent by weight. More preferably, the liquid nicotine formulation has a combined glycerine and propylene glycol content of less than or equal to about 60 percent by weight. For example, the liquid nicotine formulation may have a combined glycerine and propylene glycol content of less than or equal to about 50 percent by weight or less than or equal to about 40 percent by weight.
  • the liquid nicotine formulation has a combined glycerine and propylene glycol content of between about 5 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of between about 5 percent by weight and about 60 percent by weight, between about 5 percent by weight and about 50 percent by weight or between about 5 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation has a combined glycerine and propylene glycol content of between about 10 percent by weight and about 70 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of between about 10 percent by weight and about 60 percent by weight, between about 10 percent by weight and about 50 percent by weight or between about 10 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of between about 15 percent by weight and about 70 percent by weight, between about 15 percent by weight and about 60 percent by weight, between about 15 percent by weight and about 50 percent by weight or between about 15 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of between about 20 percent by weight and about 70 percent by weight, between about 20 percent by weight and about 60 percent by weight, between about 20 percent by weight and about 50 percent by weight or between about 20 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a combined glycerine and propylene glycol content of between about 25 percent by weight and about 70 percent by weight, between about 25 percent by weight and about 60 percent by weight, between about 25 percent by weight and about 50 percent by weight or between about 25 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation has a glycerine content of greater than or equal to about 5 percent by weight.
  • the liquid nicotine formulation has a glycerine content of greater than or equal to about 6 percent by weight.
  • the liquid nicotine formulation may have a glycerine content of greater than or equal to about 7 percent by weight or greater than or equal to about 8 percent by weight.
  • the liquid nicotine formulation may have a glycerine content of less than or equal to about 80 percent by weight or less than or equal to about 75 percent by weight.
  • the liquid nicotine formulation has a glycerine content of less than or equal to about 70 percent by weight. More preferably, the liquid nicotine formulation has a glycerine content of less than or equal to about 60 percent by weight. For example, the liquid nicotine formulation may have a glycerine content of less than or equal to about 50 percent by weight or less than or equal to about 40 percent by weight. Preferably, the liquid nicotine formulation has a glycerine content of between about 5 percent by weight and about 70 percent by weight. For example, the liquid nicotine formulation may have a glycerine content of between about 5 percent by weight and about 60 percent by weight, between about 5 percent by weight and about 50 percent by weight or between about
  • the liquid nicotine formulation has a glycerine content of between about
  • the liquid nicotine formulation may have a glycerine content of between about 6 percent by weight and about 60 percent by weight, between about 6 percent by weight and about 50 percent by weight or between about 6 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a glycerine content of between about 7 percent by weight and about 70 percent by weight, between about 7 percent by weight and about 60 percent by weight, between about 7 percent by weight and about 50 percent by weight or between about 7 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation may have a glycerine content of between about 8 percent by weight and about 70 percent by weight, between about 8 percent by weight and about 60 percent by weight, between about 8 percent by weight and about 50 percent by weight or between about 8 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation comprises water and one or more water-miscible solvents.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water- immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water- immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water- immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water- immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible solvents; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water- soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • water and one or more water-miscible solvents may advantageously help to dissolve and stabilise polar components and ionic components of the liquid nicotine formulation.
  • the liquid nicotine formulation may have a water content of greater than or equal to about 5 percent by weight.
  • the liquid nicotine formulation has a water content of greater than or equal to about 10 percent by weight. More preferably, the liquid nicotine formulation has a water-content of greater than or equal to about 15 percent by weight. Most preferably, the liquid nicotine formulation has a water content of greater than or equal to about 20 percent by weight. For example, the liquid nicotine formulation may have a water content of greater than or equal to about 25 percent by weight, greater than or equal to about 30 percent by weight or greater than or equal to about 35 percent by weight.
  • the liquid nicotine formulation has a water content of less than or equal to about 90 percent by weight. More preferably, the liquid nicotine formulation has a water content of less than or equal to about 85 percent by weight.
  • the liquid nicotine formulation may have a water content of less than or equal to about 80 percent by weight, less than or equal to about 75 percent by weight, less than or equal to about 70 percent by weight or less than or equal to about 65 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 5 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 5 percent by weight and about 85 percent by weight, between about 5 percent by weight and about 80 percent by weight, between about 5 percent by weight and about 75 percent by weight, between about 5 percent by weight and about 70 percent by weight or between about 5 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation has a water content of between about 10 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 10 percent by weight and about 85 percent by weight, between about 10 percent by weight and about 80 percent by weight, between about 10 percent by weight and about 75 percent by weight, between about 10 percent by weight and about 70 percent by weight or between about 10 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation has a water content of between about 15 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 15 percent by weight and about 85 percent by weight, between about 15 percent by weight and about 80 percent by weight, between about 15 percent by weight and about 75 percent by weight, between about 15 percent by weight and about 70 percent by weight, between about 15 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation has a water content of between about 20 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 20 percent by weight and about 85 percent by weight, between about 20 percent by weight and about 80 percent by weight, between about 20 percent by weight and about 75 percent by weight, between about 20 percent by weight and about 70 percent by weight or between about 20 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 25 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 25 percent by weight and about 85 percent by weight, between about 25 percent by weight and about 80 percent by weight, between about 25 percent by weight and about 75 percent by weight, between about 25 percent by weight and about 70 percent by weight or between about 25 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 30 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 30 percent by weight and about 85 percent by weight, between about 30 percent by weight and about 80 percent by weight, between about 30 percent by weight and about 75 percent by weight, between about 30 percent by weight and about 70 percent by weight or between about 30 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation comprises may have a water content of between about 35 percent by weight and about 90 percent by weight.
  • the liquid nicotine formulation may have a water content of between about 35 percent by weight and about 85 percent by weight, between about 35 percent by weight and about 80 percent by weight, between about 35 percent by weight and about 75 percent by weight, between about 35 percent by weight and about 70 percent by weight or between about 35 percent by weight and about 65 percent by weight.
  • the liquid nicotine formulation may have a combined water and water-miscible solvent content of greater than or equal to about 50 percent by weight, greater than or equal to about 55 percent by weight, greater than or equal to about 60 percent by weight, greater than or equal to about 65 percent by weight or greater than or equal to about 70 percent by weight.
  • the liquid nicotine formulation has a combined water and water-miscible solvent content of greater than or equal to about 75 percent by weight. More preferably, the liquid nicotine formulation has a combined water and water-miscible solvent content of greater than or equal to 80 percent by weight. For example, the liquid nicotine formulation may have a combined water and water-miscible solvent content of greater than or equal to about 85 percent by weight.
  • the liquid nicotine formulation comprises water and one or more water- miscible polyhydric alcohols.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • the liquid nicotine formulation comprises water and one or more water-miscible polyhydric alcohols
  • the liquid nicotine formulation may have a combined water and water-miscible polyhydric alcohol content of greater than or equal to about 50 percent by weight, greater than or equal to about 55 percent by weight, greater than or equal to about 60 percent by weight, greater than or equal to about 65 percent by weight or greater than or equal to about 70 percent by weight.
  • the liquid nicotine formulation comprises water and one or more water-miscible polyhydric alcohols
  • the liquid nicotine formulation has a combined water and water-miscible polyhydric alcohol content of greater than or equal to about 75 percent by weight. More preferably, the liquid nicotine formulation has a combined water and water- miscible polyhydric alcohol content of greater than or equal to 80 percent by weight.
  • the liquid nicotine formulation may have a combined water and water-miscible polyhydric alcohol content of greater than or equal to about 85 percent by weight.
  • the liquid nicotine formulation comprises water and one or more water- miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a water solubility at 20°C of less than or equal to about 100 mg/ml; and one or more water-soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a liquid nicotine formulation for use in an aerosol-generating system, the liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a cartridge for use in an aerosol-generating system the cartridge containing a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water-soluble organic acids.
  • an aerosol-generating system comprising: a liquid nicotine formulation comprising: water; one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol; one or more water-immiscible solvents having a partition coefficient (log P) at 20°C of greater than or equal to about 0.05; and one or more water- soluble organic acids; and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • the liquid nicotine formulation comprises water and one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol
  • the liquid nicotine formulation may have a combined water, glycerine and propylene glycol content of greater than or equal to about 50 percent by weight, greater than or equal to about 55 percent by weight, greater than or equal to about 60 percent by weight, greater than or equal to about 65 percent by weight or greater than or equal to about 70 percent by weight.
  • the liquid nicotine formulation comprises water and one or more water-miscible polyhydric alcohols selected from the group consisting of glycerine and propylene glycol
  • the liquid nicotine formulation has a combined water, glycerine and propylene glycol content of greater than or equal to about 75 percent by weight. More preferably, the liquid nicotine formulation has a combined water, glycerine and propylene glycol content of greater than or equal to 80 percent by weight.
  • the liquid nicotine formulation may have a combined water, glycerine and propylene glycol content of greater than or equal to about 85 percent by weight.
  • the liquid nicotine formulation comprises one or more water-immiscible solvents.
  • the one or more water-immiscible solvents may advantageously help to dissolve and stabilise non polar components of the liquid nicotine formulation.
  • the one or more water-immiscible solvents may reduce the hygroscopicity of an aerosol generated from the liquid nicotine formulation when used in an aerosol-generating system. This may advantageously reduce or prevent increases in the particle or droplet size of the aerosol when inhaled by a user as a result of adsorption of water in the respiratory tract.
  • the liquid nicotine formulation When used in an aerosol-generating system, the liquid nicotine formulation generates an aerosol comprising dual-phase particles or droplets comprising a water-miscible phase and a water-immiscible phase.
  • This may advantageously reduce nicotine adsorption in the upper airways and enhance pulmonary nicotine delivery and retention.
  • the improvement in pulmonary nicotine delivery and retention is believed to be due to coating or enveloping of the water-miscible phase by the water immiscible phase. This is believed to reduce nicotine evaporation and adsorption in the upper airways.
  • the liquid nicotine formulation has a water-immiscible solvent content of greater than or equal to about 1 percent by weight. More preferably, the liquid nicotine formulation has a water-immiscible solvent content of greater than or equal to about 2 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of greater than or equal to about 4 percent by weight, greater than or equal to about 6 percent by weight or greater than or equal to about 8 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of less than or equal to about 40 percent by weight.
  • the liquid nicotine formulation has a water-immiscible solvent content of less than or equal to about 35 percent by weight. More preferably, the liquid nicotine formulation has a water-immiscible solvent content of less than or equal to about 30 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of less than or equal to about 25 percent by weight, less than or equal to about 20 percent by weight or less than or equal to about 15 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of between about 1 percent by weight and about 40 percent by weight.
  • the liquid nicotine formulation has a water-immiscible solvent content of between about 1 percent by weight and about 35 percent by weight.
  • the liquid nicotine formulation may have a water- immiscible solvent content of between about 1 percent by weight and about 30 percent by weight, between about 1 percent by weight and about 25 percent by weight, between about 1 percent by weight and about 20 percent by weight or between about 1 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of between about 2 percent by weight and about 40 percent by weight. More preferably, the liquid nicotine formulation has a water-immiscible solvent content of between about 2 percent by weight and about 35 percent by weight. For example, the liquid nicotine formulation may have a water- immiscible solvent content of between about 2 percent by weight and about 30 percent by weight, between about 2 percent by weight and about 25 percent by weight, between about 2 percent by weight and about 20 percent by weight or between about 2 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of between about 4 percent by weight and about 40 percent by weight or between about 4 percent by weight and about 35 percent by weight.
  • the liquid nicotine formulation may have a water- immiscible solvent content of between about 4 percent by weight and about 30 percent by weight, between about 4 percent by weight and about 25 percent by weight, between about 4 percent by weight and about 20 percent by weight or between about 4 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of between about 6 percent by weight and about 40 percent by weight or between about 6 percent by weight and about 35 percent by weight.
  • the liquid nicotine formulation may have a water- immiscible solvent content of between about 6 percent by weight and about 30 percent by weight, between about 6 percent by weight and about 25 percent by weight, between about 6 percent by weight and about 20 percent by weight or between about 6 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a water-immiscible solvent content of between about 8 percent by weight and about 40 percent by weight or between about 8 percent by weight and about 35 percent by weight.
  • the liquid nicotine formulation may have a water- immiscible solvent content of between about 8 percent by weight and about 30 percent by weight, between about 8 percent by weight and about 25 percent by weight, between about 8 percent by weight and about 20 percent by weight or between about 8 percent by weight and about 15 percent by weight.
  • the one or more water-immiscible solvents comprise one or more partially water-soluble solvents.
  • the term“partially water- soluble solvent” describes a compound that is liquid at 20°C and has a water solubility at 20°C of between about 20 mg/ml and about 100 mg/ml.
  • the term“partially water-soluble solvent” describes a compound that is liquid at 20°C and has a partition coefficient (log P) at 20°C of between about 0.05 and about 0.5.
  • the one or more partially water-soluble solvents may have a maximum carbon chain length of less than or equal to 12.
  • the one or more partially water-soluble solvents may have a maximum carbon chain length of less than or equal to 10.
  • Suitable partially water-soluble solvents include, but are not limited to, polysorbate 80, triethyl citrate and triacetin.
  • the liquid nicotine formulation has a partially water-soluble solvent content of greater than or equal to about 0.5 percent by weight. More preferably, the liquid nicotine formulation has a partially water-soluble solvent content of greater than or equal to about 1 percent by weight.
  • the liquid nicotine formulation may have a partially water- soluble solvent content of greater than or equal to about 2 percent by weight, greater than or equal to about 4 percent by weight, greater than or equal to about 6 percent by weight, greater than or equal to about 7 percent by weight or greater than or equal to about 8 percent by weight.
  • the liquid nicotine formulation has a partially water-soluble solvent content of less than or equal to about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble, water-immiscible solvent content of less than or equal to about 25 percent by weight, less than or equal to about 20 percent by weight or less than or equal to about 15 percent by weight.
  • the liquid nicotine formulation has a partially water-soluble, water-immiscible solvent content of between about 0.5 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 0.5 percent by weight and about 25 percent by weight, between about 0.5 percent by weight and about 20 percent by weight or between about 0.5 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation has a partially water-soluble solvent content of between about 1 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 1 percent by weight and about 25 percent by weight, between about 1 percent by weight and about 20 percent by weight or between about 1 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 2 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 2 percent by weight and about 25 percent by weight, between about 2 percent by weight and about 20 percent by weight or between about 2 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 4 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 4 percent by weight and about 25 percent by weight, between about 4 percent by weight and about 20 percent by weight or between about 4 percent by weight and about 15 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 6 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 7 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about 8 percent by weight and about 30 percent by weight.
  • the liquid nicotine formulation may have a partially water-soluble solvent content of between about
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be greater than or equal to about 0.75.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be at least about 0.75 times the weight percent nicotine content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation is greater than or equal to about 1.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be greater than or equal to about 1.25, greater than or equal to about 1.5 or greater than or equal to about 1.75.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be less than or equal to about 20.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be less than or equal to 20 times the weight percent nicotine content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation is less than or equal to about 18.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be less than or equal to about 16, less than or equal to about 14 or less than or equal to about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be between about 0.75 and about 20, between about 0.75 and about 18, between about 0.75 and about 16, between about 0.75 and about 14 or between about 0.75 and about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation is between about 1 and about 20, between about 1 and about 18, between about 1 and about 16, between about 1 and about 14 or between about 1 and about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be between about 1.25 and about 20, between about 1.25 and about 18, between about 1.25 and about 16, between about 1.25 and about 14 or between about 1.25 and about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be between about 1.5 and about 20, between about 1.5 and about 18, between about 1.5 and about 16, between about 1.5 and about 14 or between about 1.5 and about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent nicotine content of the liquid nicotine formulation may be between about 1.75 and about 20, between about 1.75 and about 18, between about 1.75 and about 16, between about 1.75 and about 14 or between about 1.75 and about 12.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be greater than or equal to about 0.06.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be at least about 0.06 times the weight percent water-miscible solvent content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation is greater than or equal to about 0.08.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be greater than or equal to about 0.1 , greater than or equal to about 0.12 or greater than or equal to about 0.14.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be less than or equal to about 1.2.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be less than or equal to about 1.2 times the weight percent water-miscible solvent content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation is less than or equal to about 1.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be less than or equal to about 0.8, less than or equal to about 0.6 or less than or equal to about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be between about 0.06 and about 1.2, between about 0.06 and about 1 , between about 0.06 and about 0.8, between about 0.06 and about 0.6 or between about 0.06 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation is between about 0.08 and about 1.2, between about 0.08 and about 1 , between about 0.08 and about 0.8, between about 0.08 and about 0.6 or between about 0.08 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be between about 0.1 and about 1.2, between about 0.1 and about 1 , between about 0.1 and about 0.8, between about 0.1 and about 0.6 or between about 0.1 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be between about 0.12 and about 1.2, between about 0.12 and about 1 , between about 0.12 and about 0.8, between about 0.1 and about 0.6 or between about 0.12 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-miscible solvent content of the liquid nicotine formulation may be between about 0.14 and about 1.2, between about 0.14 and about 1 , between about 0.14 and about 0.8, between about 0.14 and about 0.6 or between about 0.14 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be greater than or equal to about 0.025.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be at least about 0.02 times the weight percent water content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation is greater than or equal to about 0.03.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be greater than or equal to about 0.05, greater than or equal to about 0.075 or greater than or equal to about 0.1.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be less than or equal to about 5.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be less than or equal to about 5 times the weight percent water content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation is less than or equal to about 1.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be less than or equal to about 0.8, less than or equal to about 0.6 or less than or equal to about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be between about 0.02 and about 1.2, between about 0.02 and about 1 , between about 0.02 and about 0.8, between about 0.02 and about 0.6 or between about 0.02 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation is between about 0.03 and about 1.2, between about 0.03 and about 1 , between about 0.03 and about 0.8, between about 0.03 and about 0.6 or between about 0.03 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be between about 0.05 and about 1.2, between about 0.05 and about 1 , between about 0.05 and about 0.8, between about 0.05 and about 0.6 or between about 0.05 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be between about 0.75 and about 1.2, between about 0.75 and about 1 , between about 0.75 and about 0.8, between about 0.75 and about 0.6 or between about 0.75 and about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water content of the liquid nicotine formulation may be between about 0.1 and about 1.2, between about 0.1 and about 1 , between about 0.1 and about 0.8, between about 0.1 and about 0.6 or between about 0.1 and about 0.4.
  • the one or more water-immiscible solvents comprise one or more water- insoluble solvents.
  • water-insoluble solvent describes a compound that is liquid at 20°C and has a water solubility at 20°C of less than or equal to about 5 mg/ml.
  • water- insoluble solvent describes a compound that is liquid at 20°C and has a partition coefficient (log P) at 20°C of greater than about 5.
  • the one or more water-insoluble solvents may have a maximum carbon chain length of less than or equal to 30.
  • the one or more water-insoluble solvents may have a maximum carbon chain length of less than or equal to 20, less than or equal to 18, less than or equal to 16, less than or equal to 14 or less than or equal to 12.
  • Suitable water-insoluble solvents include, but are not limited to oleic acid and MIGLYOL® (mixture of decanoyl- and octanoyl glycerides).
  • the liquid nicotine formulation has a water-insoluble solvent content of greater than or equal to about 0.5 percent by weight. More preferably, the liquid nicotine formulation has a water-insoluble solvent content of greater than or equal to about 1 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of greater than or equal to about 2 percent by weight, greater than or equal to about 3 percent by weight, greater than or equal to about 4 percent by weight or greater than or equal to about 6 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of less than or equal to about 30 percent by weight.
  • the liquid nicotine formulation has a water-insoluble solvent content of less than or equal to about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of less than or equal to about 20 percent by weight, less than or equal to about 15 percent by weight or less than or equal to about 10 percent by weight.
  • the liquid nicotine formulation has a water-insoluble solvent content of between about 0.5 percent by weight and about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 0.5 percent by weight and about 20 percent by weight, between about 0.5 percent by weight and about 15 percent by weight or between about 0.5 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation has a water-insoluble solvent content of between about 1 percent by weight and about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 1 percent by weight and about 20 percent by weight, between about 1 percent by weight and about 15 percent by weight or between about 1 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 2 percent by weight and about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 2 percent by weight and about 20 percent by weight, between about 2 percent by weight and about 15 percent by weight or between about 2 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 3 percent by weight and about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 3 percent by weight and about 20 percent by weight, between about 3 percent by weight and about 15 percent by weight or between about 3 percent by weight and about 10 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 4 percent by weight and about 25 percent by weight.
  • the liquid nicotine formulation may have a water-insoluble solvent content of between about 4 percent by weight and about 20 percent by weight, between about 4 percent by weight and about 15 percent by weight or between about 4 percent by weight and about 10 percent by weight.
  • the one or more water-immiscible solvents comprise one or more partially water-soluble solvents and one or more water-insoluble solvents.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be greater than or equal to about 0.2.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be at least about 0.2 times the weight percent water-insoluble solvent content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation is greater than or equal to about 0.4.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be greater than or equal to about 0.6, greater than or equal to about 0.8 or greater than or equal to about 1.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be less than or equal to about 35.
  • the weight percent partially water-soluble solvent content of the liquid nicotine formulation may be less than or equal to 35 times the weight percent water-insoluble solvent content of the liquid nicotine formulation.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation is less than or equal to about 30.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be less than or equal to about 25, less than or equal to about 20 or less than or equal to about 15.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be between about 0.2 and about 35, between about 0.2 and about 30, between about 0.2 and about 25, between about 0.2 and about 20 or between about 0.2 and about 15.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation is between about 0.4 and about 35, between about 0.4 and about 30, between about 0.4 and about 25, between about 0.4 and about 20 or between about 0.4 and about 15.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be between about 0.6 and about 35, between about 0.6 and about 30, between about 0.6 and about 25, between about 0.6 and about 20 or between about 0.6 and about 15.
  • the ratio of the weight percent partially water-soluble solvent content to the weight percent water-insoluble solvent content of the liquid nicotine formulation may be between about 0.8 and about 35, between about 0.8 and about 30, between about 0.8 and about 25, between about 0.8 and about 20 or between about 0.8 and about 15.
  • the liquid nicotine formulation comprises one or more water-soluble organic acids.
  • the one or more water-soluble organic acids may advantageously bind nicotine in the liquid nicotine formulation through formation of one or nicotine salts.
  • the one or more nicotine salts may advantageously be dissolved and stabilised in the one or more water-miscible solvents. This may advantageously reduce nicotine adsorption in the upper airways and enhance pulmonary nicotine delivery and retention. ln embodiments where the liquid nicotine formulation comprises water and one or more water-miscible solvents, the one or more nicotine salts may advantageously be dissolved and stabilised in the water and one or more water-miscible solvents.
  • the liquid nicotine formulation comprises one or more water-soluble carboxylic acids.
  • Suitable water-soluble carboxylic acids include, but are not limited to, acetic acid, citric acid, lactic acid, levulinic acid, malic acid, malonic acid and pyruvic acid.
  • the liquid nicotine formulation comprises lactic acid.
  • the liquid nicotine formulation has a water-soluble organic acid content of greater than or equal to about 2 percent by weight. More preferably, the liquid nicotine formulation has a water-soluble acid content of greater than or equal to about 3 percent by weight.
  • the liquid nicotine formulation has a water-soluble organic acid content of less than or equal to about 8 percent by weight. More preferably, the liquid nicotine formulation has a water-soluble organic acid content of less than or equal to about 6 percent by weight.
  • the liquid nicotine formulation has a water-soluble organic acid content of between about 2 percent by weight and about 8 percent by weight.
  • the liquid nicotine formulation may have a water-soluble organic acid content of between about 2 percent by weight and about 6 percent by weight.
  • the liquid nicotine formulation has a water-soluble organic acid content of between about 3 percent by weight and about 8 percent by weight.
  • the liquid nicotine formulation may have a water-soluble organic acid content of between about 2 percent by weight and about 6 percent by weight.
  • the liquid nicotine formulation may be a substantially uncaffeinated liquid nicotine formulation.
  • the term“substantially uncaffeinated liquid nicotine formulation” describes a liquid nicotine formulation having a caffeine content of less than 0.5 percent by weight.
  • the liquid nicotine formulation may have a caffeine content of less than about 0.4 percent by weight, less than about 0.3 percent by weight or less than about 0.2 percent by weight.
  • the liquid nicotine formulation may be a substantially caffeine-free liquid nicotine formulation.
  • substantially caffeine-free liquid nicotine formulation describes a liquid nicotine formulation having a caffeine content of less than about 0.1 percent by weight.
  • the liquid nicotine formulation may be a caffeine-free liquid nicotine formulation.
  • caffeine-free liquid nicotine formulation describes a liquid nicotine formulation having a caffeine content of 0 percent by weight.
  • caffeine describes caffeine or a caffeine salt.
  • caffeine salt the amounts of caffeine recited herein are the amount of caffeine cation.
  • the liquid nicotine formulation may comprise one or more solid emulsifiers.
  • solid emulsifier describes an emulsifier that is solid at 20°C.
  • Suitable solid emulsifiers include, but are not limited to, 1-Stearoyl- rac-glycerol, Kolliphor ® P 188, sodium caseinate, sodium dodecanoate and sodium docusate.
  • the liquid nicotine formulation has a solid emulsifier content of less than or equal to about 8 percent by weight. More preferably, the liquid nicotine formulation has a solid emulsifier content of less than or equal to about 5 percent by weight.
  • the liquid nicotine formulation may comprise one or more flavourants.
  • Suitable flavourants include, but are not limited to, menthol.
  • the liquid nicotine formulation has a flavourant content of less than or equal to about 4 percent by weight. More preferably, the liquid nicotine formulation has a flavourant content of less than or equal to about 3 percent by weight.
  • a cartridge for use in an aerosol generating system the cartridge containing a liquid nicotine formulation according to the invention.
  • the cartridge may comprise an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • a cartridge containing the liquid nicotine formulation and an atomiser configured to generate an aerosol from the liquid nicotine formulation may be referred to as a“cartomiser”.
  • the atomiser may be a thermal atomiser.
  • thermoatomiser describes an atomiser that is configured to heat the liquid nicotine formulation to generate an aerosol.
  • the cartridge may comprise any suitable type of thermal atomiser.
  • the thermal atomiser may comprise a heater and a liquid transport element configured to transport liquid nicotine formulation to the heater.
  • the liquid transport element may comprise a capillary wick.
  • the heater may comprise a heater coil.
  • the thermal atomiser may comprise an electric heater.
  • the thermal atomiser may comprise an electric heater comprising a resistive heating element or an inductive heating element.
  • the atomiser may be a non-thermal atomiser.
  • non-thermal atomiser describes an atomiser that is configured to generate an aerosol from the liquid nicotine formulation by means other than heating.
  • the cartridge may comprise any suitable type of non-thermal atomiser.
  • the non-thermal atomiser may be an impinging jet atomiser, an ultrasonic atomiser or a vibrating mesh atomiser.
  • an aerosol-generating system comprising a liquid nicotine formulation according to the invention and an atomiser configured to generate an aerosol from the liquid nicotine formulation.
  • the atomiser may be a thermal atomiser.
  • the aerosol-generating system may comprise any suitable type of thermal atomiser.
  • the thermal atomiser may comprise a heater and a liquid transport element configured to transport liquid nicotine formulation to the heater.
  • the liquid transport element may comprise a capillary wick.
  • the heater may comprise a heater coil.
  • the thermal atomiser may comprise an electric heater.
  • the thermal atomiser may comprise an electric heater comprising a resistive heating element or an inductive heating element.
  • the atomiser may be a non-thermal atomiser.
  • the aerosol-generating system may comprise any suitable type of non-thermal atomiser.
  • the non-thermal atomiser may be an impinging jet atomiser, an ultrasonic atomiser or a vibrating mesh atomiser.
  • the aerosol-generating system may comprise: a cartridge according to the invention containing the liquid nicotine formulation; and an aerosol-generating device comprising a housing defining a device cavity configured to receive at least a portion of the cartridge.
  • the aerosol-generating system may comprise: a consumable cartridge according to the invention containing the liquid nicotine formulation; and a reusable aerosol-generating device comprising a housing defining a device cavity configured to receive at least a portion of the cartridge.
  • the aerosol-generating device may comprise a battery and control electronics.
  • the aerosol-generating system may comprise: a cartridge according to the invention containing the liquid nicotine formulation and the atomiser; and an aerosol-generating device comprising a housing defining a device cavity configured to receive at least a portion of the cartridge.
  • the aerosol-generating system may comprise: a cartridge according to the invention containing the liquid nicotine formulation; and an aerosol-generating device comprising a housing defining a device cavity configured to receive at least a portion of the cartridge and the atomiser.
  • features described above in relation to one aspect of the invention may also be applicable to other aspects of the invention.
  • features described above in relation to the liquid nicotine formulation of the invention may also relate, where appropriate, to the cartridge of the invention and the aerosol-generating system of the invention.
  • features described above in relation to the cartridge of the invention may also relate, where appropriate, to the aerosol-generating system of the invention, and vice versa.
  • Examples 1 , 2 and 3 Three liquid nicotine formulations according to the invention (Examples 1 , 2 and 3) were prepared having the compositions shown in Tables 2, 3 and 4.
  • Examples A, B, C, D, E and F Six liquid nicotine formulations according to the invention (Examples A, B, C, D, E and F) were prepared having the compositions shown in Table 5. For comparison, two liquid nicotine formulations not according to the invention (Examples G and H) were also prepared having the compositions shown in Table 5.
  • the liquid nicotine formulations of Examples A-H were each loaded into a cartridge for a Solaris e-cigarette.
  • the nicotine retention of the aerosols generated when using the cartridges in a Solaris e-cigarette were measured using denuder tube technology essentially as described in Seeman, J. I.; Lipowicz, P. J.; Piade, J.-J.; Poget, L; Sanders, E. B.; Snyder, J. P.; Trowbridge, C. G., On the Deposition of Volatiles and Semivolatiles from Cigarette Smoke Aerosols: Relative Rates of Transfer of Nicotine and Ammonia from Particles to the Gas Phase.
  • the aerosols generated from the liquid nicotine formulations according to the invention provide nicotine retentions of greater than 40 percent.
  • the aerosols generated from the liquid formulations not according to the invention provide lower nicotine retentions of less than 30 percent.
  • the nicotine retention properties of the aerosols generated from the liquid nicotine formulations according to the invention are at least 13.5 times greater than the liquid formulation not according to the invention that does not comprise either a water-immiscible solvent having a water solubility at 20°C of less than or equal to about 100 mg/ml or a water- soluble organic acid (Example G).
  • the nicotine retention properties of the aerosols generated from the liquid nicotine formulations according to the invention are at least about 1.5 times greater than the liquid formulation not according to the invention that does not comprise a water-immiscible solvent having a water solubility at 20°C of less than or equal to about 100 mg/ml (Example H).
  • Example 1 The nicotine retention properties of the aerosols generated from the liquid nicotine formulations according to the invention (Examples A-F), which comprise both a water-immiscible solvent having a water solubility at 20°C of less than or equal to about 100 mg/ml and a water- soluble organic acid, are similar to the nicotine retention properties of the smoke generated from the conventional cigarette (Example I).

Abstract

L'invention concerne une formulation de nicotine liquide destinée à être utilisée dans un système de génération d'aérosol, cette formulation de nicotine liquide comprenant un ou plusieurs solvants miscibles à l'eau, un ou plusieurs solvants non miscibles à l'eau ayant une solubilité dans l'eau à 20 °C inférieure ou égale à environ 100 mg/ml et un ou plusieurs acides organiques solubles dans l'eau, la teneur en solvants non miscibles à l'eau de la formulation de nicotine liquide étant supérieure ou égale à environ 2 pour cent en poids. L'invention concerne une formulation de nicotine liquide destinée à être utilisée dans un système de génération d'aérosol, cette formulation de nicotine liquide comprenant un ou plusieurs solvants miscibles à l'eau, un ou plusieurs solvants non miscibles à l'eau ayant un coefficient de partage (log P) à 20 °C supérieur ou égal à environ 0,05, et un ou plusieurs acides organiques solubles dans l'eau, la teneur en solvants non miscibles à l'eau de la formulation de nicotine liquide étant supérieure ou égale à environ 2 pour cent en poids. L'invention concerne également une cartouche destinée à être utilisée dans un système de génération d'aérosol, cette cartouche contenant ladite formulation liquide de nicotine. L'invention concerne par ailleurs un système de génération d'aérosol comprenant cette formulation de nicotine liquide et un atomiseur conçu pour générer un aérosol à partir de ladite formulation de nicotine liquide.
PCT/EP2019/087198 2018-12-31 2019-12-31 Formulation de nicotine liquide WO2020141180A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR112021010284-1A BR112021010284A2 (pt) 2018-12-31 2019-12-31 formulação de nicotina líquida
KR1020217021107A KR20210110314A (ko) 2018-12-31 2019-12-31 액체 니코틴 제제
EP19831772.9A EP3905900A1 (fr) 2018-12-31 2019-12-31 Formulation de nicotine liquide
US17/419,528 US20220079211A1 (en) 2018-12-31 2019-12-31 Liquid nicotine formulation
MX2021007627A MX2021007627A (es) 2018-12-31 2019-12-31 Formulacion de nicotina liquida.
JP2021538443A JP2022516149A (ja) 2018-12-31 2019-12-31 液体ニコチン製剤
CN201980079924.6A CN113163846B (zh) 2018-12-31 2019-12-31 液体尼古丁制剂

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EP18215976.4 2018-12-31
EP18215969 2018-12-31
EP18215969.9 2018-12-31
EP18215983.0 2018-12-31
EP18215966 2018-12-31
EP18215983 2018-12-31
EP18215964.0 2018-12-31
EP18215964 2018-12-31
EP18215966.5 2018-12-31
EP18215976 2018-12-31

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WO2020141180A1 true WO2020141180A1 (fr) 2020-07-09

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PCT/EP2019/087196 WO2020141178A1 (fr) 2018-12-31 2019-12-31 Préparation de nicotine liquide comprenant un solvant partiellement hydrosoluble
PCT/EP2019/087198 WO2020141180A1 (fr) 2018-12-31 2019-12-31 Formulation de nicotine liquide
PCT/EP2019/087202 WO2020141184A1 (fr) 2018-12-31 2019-12-31 Formulation de nicotine liquide à faible viscosité
PCT/EP2019/087193 WO2020141176A1 (fr) 2018-12-31 2019-12-31 Formulation de nicotine liquide
PCT/EP2019/087195 WO2020141177A1 (fr) 2018-12-31 2019-12-31 Préparation de nicotine liquide comprenant des solvants non miscibles à l'eau

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PCT/EP2019/087193 WO2020141176A1 (fr) 2018-12-31 2019-12-31 Formulation de nicotine liquide
PCT/EP2019/087195 WO2020141177A1 (fr) 2018-12-31 2019-12-31 Préparation de nicotine liquide comprenant des solvants non miscibles à l'eau

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EP (5) EP3905901A1 (fr)
JP (5) JP2022516895A (fr)
KR (5) KR20210108390A (fr)
CN (5) CN113163847B (fr)
BR (5) BR112021010284A2 (fr)
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CN113163848B (zh) 2023-06-20
CN113163847B (zh) 2023-01-10
BR112021010222A2 (pt) 2021-08-24
US20220071270A1 (en) 2022-03-10
KR20210108384A (ko) 2021-09-02
KR20210109548A (ko) 2021-09-06
MX2021007623A (es) 2021-08-11
MX2021007626A (es) 2021-08-11
EP3905900A1 (fr) 2021-11-10
EP3905897A1 (fr) 2021-11-10
EP3905901A1 (fr) 2021-11-10
CN113163845A (zh) 2021-07-23
JP2022516149A (ja) 2022-02-24
BR112021010614A2 (pt) 2021-08-24
WO2020141176A1 (fr) 2020-07-09
WO2020141178A1 (fr) 2020-07-09
KR20210110314A (ko) 2021-09-07
US20220071269A1 (en) 2022-03-10
KR20210108394A (ko) 2021-09-02
KR20210108390A (ko) 2021-09-02
JP2022515983A (ja) 2022-02-24
BR112021010284A2 (pt) 2021-08-17
JP2022516895A (ja) 2022-03-03
JP2022516896A (ja) 2022-03-03
EP3905898A1 (fr) 2021-11-10
MX2021007624A (es) 2021-08-11
CN113163846B (zh) 2023-04-28
US20220079210A1 (en) 2022-03-17
CN113163847A (zh) 2021-07-23
US20220079211A1 (en) 2022-03-17
MX2021007625A (es) 2021-08-11
CN113163846A (zh) 2021-07-23
BR112021010593A2 (pt) 2021-08-24
CN113163845B (zh) 2023-04-28
WO2020141184A1 (fr) 2020-07-09
WO2020141177A1 (fr) 2020-07-09
CN113242696A (zh) 2021-08-10
CN113163848A (zh) 2021-07-23
CN113242696B (zh) 2023-04-28
JP2022515021A (ja) 2022-02-17
BR112021009726A2 (pt) 2021-08-17

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